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1 definition by MissT

 
1.
Insult; relating to dress sense and general poor appearance. Derived from 'Trevathyn', the name of an unfortunate family living in Hokitika, New Zealand, during the 1980s. They wore unfashionable, mis-matched clothes, had poor hygiene and many members suffered from intellectual disabilities.
"Go and put some clean clothes on, you look like a trag".
by MissT December 27, 2006